Home / 124,581.68-171,916.20-67,992.08

Finding the Fourth Proportional to 124,581.68, 171,916.20 and 67,992.08

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Solution

The fourth proportional to 124,581.68, 171,916.20 and 67,992.08 is: 93,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.68 : 171,916.20 = 67,992.08 : x
  2. Step 2: Convert to fraction form
    124,581.68/171,916.20 = 67,992.08/x
  3. Step 3: Cross multiply
    124,581.68x = 171,916.20 × 67,992.08
  4. Step 4: Simplify right side
    124,581.68x = 11,688,940,023.70
  5. Step 5: Solve for x
    x = 11,688,940,023.70/124,581.68
  6. Step 6: Final answer
    x = 93,825.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.